It is not permissible to combine all five prayers at one time even if it is because of travelling. Indeed, it is not permissible to combine three prayers, so it is not correct to combine Maghrib, `Isha and Fajr. What is permitted is to combine Zuhr and `Asr, and Maghrib and `Isha’, but Fajr cannot be combined with any other prayer.

Jumu`ah prayer is not obligatory on the traveller. There are no reports at all that Prophet Muhammad (peace and blessings be upon him) prayed Jumu`ah or ‘Eid prayers when travelling.